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Re: [gforth] Debugging serial I/O to USB RS232 port
From: |
Bernd Paysan |
Subject: |
Re: [gforth] Debugging serial I/O to USB RS232 port |
Date: |
Sat, 01 Nov 2014 02:17:56 +0100 |
User-agent: |
KMail/4.11.5 (Linux/3.11.10-21-desktop; KDE/4.11.5; x86_64; ; ) |
Am Freitag, 31. Oktober 2014, 18:13:58 schrieb Jerry DeLisle:
> On 10/31/2014 05:57 PM, Bernd Paysan wrote:
> ---snip---
>
> > No, if you want to have direct access to open, use a special C interface.
> > I think I should add open and fdopen (to get an fd) to the serial.fs
> > code, so that you can use open directly, and try different flags. We
> > also found that on some serial ports, you don't even want to use fdopen,
> > because it sets some things which the serial port driver can't handle...
> > this means, you also need read/write to access the port.
>
> If you like, I will attempt to add some things to serial.fs and send to you
> for a look. It should not take too much.
Yes, do so; check out the current git; I've already added open, fdopen, read,
and write. You'll have to define the macros, and modify open-port (probably
factoring into an open-port-fd, which will give you a fd for read/write, and
open-port gives you the FILE*, to be backward compatible).
--
Bernd Paysan
"If you want it done right, you have to do it yourself"
http://bernd-paysan.de/
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